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unit 5 mreview

unit 5 midterm review

QuestionAnswer
what is a spinoff? technology developed in space program that now has common commercial uses
most commonly held theory on the origin of moon impact theory- a mars sized object 4.5 billion years ago. materials ejected into space, joined together and become the moon.
electromagnetic spectrum from longest to shortest radio waves, microwaves, infrared, visible, uv, xrays, gamma
wavelength and frequency wavelength -the distance from the crest of one wave to the crest of the next wave. frequency-the # of vibrations or waves that pass a point per second.
major lunar landforms
plane of earths orbit? ecliptic
identify the moons phases
what causes the earth to have seasons earths rotation
spring equinox 12 hrs day 12 hrs night. equal light everywhere on earth. sun directly overhead at equator.
summer solstice 16 hrs day 8 hrs night. sun directly overhead of tropic of cancer.
winter solstice 10 hrs day 14 hrs night. sun directly overhead of tropic of cancer.
autumn equinox .12hrs day 12 hrs night. equal light everywhere on earth. sun directly overhead at equator.
Created by: dk7
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